<template>
  <div :class="className" :style="{height:height,width:width}"/>
</template>

<script>
import echarts from "echarts";
require("echarts/theme/macarons"); // echarts theme
import resize from "./mixins/resize";

export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: "chart"
    },
    width: {
      type: String,
      default: "99%"
    },
    height: {
      type: String,
      default: "490px"
    },
    autoResize: {
      type: Boolean,
      default: true
    },
    chartData: {
      type: Object,
      required: true
    }
  },
  data() {
    return {
      chart: null
    };
  },
  watch: {
    chartData: {
      deep: true,
      handler(val) {
        this.setOptions(val);
      }
    }
  },
  mounted() {
    this.$nextTick(() => {
      this.initChart();
    });
  },

  beforeDestroy() {
    if (!this.chart) {
      return;
    }
    this.chart.dispose();
    this.chart = null;
  },
  methods: {
    initChart() {
      this.chart = echarts.init(this.$el, "macarons");
      this.setOptions(this.chartData);
    },
    setOptions({ dataX, dataY } = {}) {
      this.chart.setOption({
        xAxis: {
          data: dataX,
          boundaryGap: false,
          axisTick: {
            show: false
          }
        },
        grid: {
          left: 10,
          right: 10,
          bottom: 20,
          top: 20,
          containLabel: true
        },
        tooltip: {
          trigger: "axis",
          axisPointer: {
            type: "cross"
          },
          padding: [5, 10]
        },
        yAxis: {
          axisTick: {
            show: false
          }
        },
        // legend: {
        //   data: ['expected', 'actual']
        // },
        series: [
          {
            name: "日积水量",
            itemStyle: {
              normal: {
                color: "#FF005A",
                lineStyle: {
                  color: "#FF005A",
                  width: 2
                }
              }
            },
            smooth: true,
            type: "line",
            data: dataY,
            animationDuration: 2800,
            animationEasing: "cubicInOut"
          }
          // {
          //   name: 'actual',
          //   smooth: true,
          //   type: 'line',
          //   itemStyle: {
          //     normal: {
          //       color: '#3888fa',
          //       lineStyle: {
          //         color: '#3888fa',
          //         width: 2
          //       },
          //       areaStyle: {
          //         color: '#f3f8ff'
          //       }
          //     }
          //   },
          //   data: actualData,
          //   animationDuration: 2800,
          //   animationEasing: 'quadraticOut'
          // }
        ]
      });
    }
  }
};
</script>
